Conjugación del verbo inglés
CAN SURFACE

Verbo regular: surface - surfaced - surfaced

Afirmación

Forma simple	Forma con V-ing
I can surface you can surface he can surface we can surface you can surface they can surface	I can be surfacing you can be surfacing he can be surfacing we can be surfacing you can be surfacing they can be surfacing
Perfecto	Perfecto con V-ing
I can have surfaced you can have surfaced he can have surfaced we can have surfaced you can have surfaced they can have surfaced	I can have been surfacing you can have been surfacing he can have been surfacing we can have been surfacing you can have been surfacing they can have been surfacing

Negación

Forma simple	Forma con V-ing
I cannot surface you cannot surface he cannot surface we cannot surface you cannot surface they cannot surface	I cannot be surfacing you cannot be surfacing he cannot be surfacing we cannot be surfacing you cannot be surfacing they cannot be surfacing
Perfecto	Perfecto con V-ing
I cannot have surfaced you cannot have surfaced he cannot have surfaced we cannot have surfaced you cannot have surfaced they cannot have surfaced	I cannot have been surfacing you cannot have been surfacing he cannot have been surfacing we cannot have been surfacing you cannot have been surfacing they cannot have been surfacing

Forma interrogativa

Forma simple	Forma con V-ing
can I surface? can you surface? can he surface? can we surface? can you surface? can they surface?	can I be surfacing? can you be surfacing? can he be surfacing? can we be surfacing? can you be surfacing? can they be surfacing?
Perfecto	Perfecto con V-ing
can I have surfaced? can you have surfaced? can he have surfaced? can we have surfaced? can you have surfaced? can they have surfaced?	can I have been surfacing? can you have been surfacing? can he have been surfacing? can we have been surfacing? can you have been surfacing? can they have been surfacing?

Forma interro-negativa

Forma simple	Forma con V-ing
can I not surface? can you not surface? can he not surface? can we not surface? can you not surface? can they not surface?	can I not be surfacing? can you not be surfacing? can he not be surfacing? can we not be surfacing? can you not be surfacing? can they not be surfacing?
Perfecto	Perfecto con V-ing
can I not have surfaced? can you not have surfaced? can he not have surfaced? can we not have surfaced? can you not have surfaced? can they not have surfaced?	can I not have been surfacing? can you not have been surfacing? can he not have been surfacing? can we not have been surfacing? can you not have been surfacing? can they not have been surfacing?